Contents 5
Network Problems . . . . . . . . . . . . . . . . . . . . . . . . . 48
PC Card Problems . . . . . . . . . . . . . . . . . . . . . . . . . 49
Power Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Printer Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Scanner Problems . . . . . . . . . . . . . . . . . . . . . . . . . 52
Sound and Speaker Problems . . . . . . . . . . . . . . . . . . . 53
Video and Monitor Problems . . . . . . . . . . . . . . . . . . . . 54
If the screen is blank . . . . . . . . . . . . . . . . . . . . . . 54
If the screen is difficult to read . . . . . . . . . . . . . . . . . 55
3Advanced Troubleshooting
Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
What Is a Driver? . . . . . . . . . . . . . . . . . . . . . . . . 60
Identifying Drivers . . . . . . . . . . . . . . . . . . . . . . . 60
Reinstalling Drivers . . . . . . . . . . . . . . . . . . . . . . . 61
Using System Restore . . . . . . . . . . . . . . . . . . . . . . . 62
Creating a Restore Point . . . . . . . . . . . . . . . . . . . . 63
Restoring the Computer to an Earlier Operating State. . . . . . 63
Undoing the Last System Restore . . . . . . . . . . . . . . . . 64
Resolving Software and Hardware Incompatibilities . . . . . . . 64
Reinstalling Microsoft® Windows® XP. . . . . . . . . . . . . . . 65
Before You Reinstall . . . . . . . . . . . . . . . . . . . . . . 65
Reinstalling Windows XP . . . . . . . . . . . . . . . . . . . . 65
4Adding Parts
Front and Back View of the Computer . . . . . . . . . . . . . . . 70